Putnam RD, Sander TH.
Rebuilding the Stock of Social Capital. School Administrator. 1999;(September 1999) :28-33.
Publisher's Version Putnam RD, Gamm G.
The Growth of Voluntary Associations in America, 1840-1940. Journal of Interdisciplinary History. 1999;29 (Spring 1999) :511-557.
Publisher's Version